Base | Representation |
---|---|
bin | 1000010000100… |
… | …11100000011001 |
3 | 11211101002101221 |
4 | 10020103200121 |
5 | 120214122123 |
6 | 10513012041 |
7 | 1500630514 |
oct | 410234031 |
9 | 154332357 |
10 | 69285913 |
11 | 36123594 |
12 | 1b254021 |
13 | 1147b7a8 |
14 | 92b7d7b |
15 | 613925d |
hex | 4213819 |
69285913 has 16 divisors (see below), whose sum is σ = 76492800. Its totient is φ = 62465040.
The previous prime is 69285911. The next prime is 69285917. The reversal of 69285913 is 31958296.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 69285913 - 21 = 69285911 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 69285913.
It is not an unprimeable number, because it can be changed into a prime (69285911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144408 + ... + 144886.
It is an arithmetic number, because the mean of its divisors is an integer number (4780800).
Almost surely, 269285913 is an apocalyptic number.
It is an amenable number.
69285913 is a deficient number, since it is larger than the sum of its proper divisors (7206887).
69285913 is a wasteful number, since it uses less digits than its factorization.
69285913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 852.
The product of its digits is 116640, while the sum is 43.
The square root of 69285913 is about 8323.8160119022. The cubic root of 69285913 is about 410.7223296810.
The spelling of 69285913 in words is "sixty-nine million, two hundred eighty-five thousand, nine hundred thirteen".
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